One of the teams in Hingham Little League’s Senior Farm Division had a different approach in the spring.The Marlins, which are sponsored by Sadie Mae’s Cupcake Cafe, used a roster of only girls. It was a first for the baseball league for players ages 8 and 9.And these girls could play.Brynn Hsu, one of the team’s 11 players, earned a game ball when she played through injury. A comebacker gave Hsu a fat lip, but she quickly returned to the field and even batted later in that